TRAC VSC and ABS lights on

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Buy or borrow an OBD II scanner and get the error code. Once you have the code use the search function linked above. If you still can't get to the bottom of it post the error code on here. Good luck.
 
nail bender said:
how do I troubleshoot this issue and get the lights to go off? thanks for any help.
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I'm the check engine light also on? Have you replaced the cluster lights 20th leds if so that could throw the voltage off and cause the issue. The VSC module, abs sensor cleaning might help. some folks have just disabled the VSC system.
 
pull the rear axle sensors and see if there gear oil on them. This can cause those lights to go off.
 
First, if there is no engine light, an OBDII code reader will not do anything.

Second, you will need to check your ABS codes, which is easy.

  • Find the "DIAGNOSTICS" connector that's on the drivers side of the engine, on the high edge of the intake plenum.
  • In the lower left, you'll find a small plug that pulls out. That's a "shorting pin", pull it.
  • Now use a piece of wire to jumper from E1 to Tc.
  • Go into the truck and turn the key forward.
  • Watch and count the blinks of the (ABS) light.

full

full



With the light blinking it will blink a certain number of times and then short pause then blink again. This will give you the 2 digit code. Wait for the code twice as you might have more than one code.

Then you can start from there.
 
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Yeah, the ABS system doesn't post codes to where you would find a normal engine trouble code. So, a regular OBDII reader won't work. The method above is super easy.

I just recently had an issue like this and found it through the ABS codes.

My issue was the rear pass. shock top was sheared off and hit the cable for the speed sensor and ripped it.
 
nail bender said:
is there somewhere I can find what the code means. when the jumper is in place the abs light blinks 3 pause 2
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A few posts above you there is a post with a list of all of the codes. Based on your description of the flashes, it sounds like code 32 which according to that list is Left Front Wheel Speed Sensor Signal Malfunction.
 
I found what the codes meant online. I had replaced the left front wheel speed sensor and as I new it was bad. caught the wires when removing the oil filter and pulled them out of the plastic connector. left front wheel speed sensor code was what came up. I did not know I needed to clear the code to get the lights to go off. now that I have cleared them they are all off. thanks to all for your help
 
nail bender, glad you got it sorted out and my apologies for posting incorrect guidance. I hastily read your post and assumed it was a similar situation to mine where I had the VSC and TRAC lights on as well as the CEL.

And thanks to biggestmexi as I learned something today about the ABS codes! I've been a motorcycle guy for about 25 years so I'm still figuring out auto troubles as they come up.
 
Whakeen said:
nail bender, glad you got it sorted out and my apologies for posting incorrect guidance. I hastily read your post and assumed it was a similar situation to mine where I had the VSC and TRAC lights on as well as the CEL.

And thanks to biggestmexi as I learned something today about the ABS codes! I've been a motorcycle guy for about 25 years so I'm still figuring out auto troubles as they come up.
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No problem and glad to help. I recently had to look up all this info and there wasn't an easy place to find it all together so I put it here.
 
I am trying to troubleshoot an issue I have been having and this thread seems to be the closest thing to helping. There has been a noise behind the dash/firewall that comes up every once in a while when I drive to work in the morning, and I am not sure what it is. Here is a video of the noise, 2002 4Runner Intermittent Noise - YouTube
Then when I pulled into my parking spot at work last week this warning came on with the warning beep.
2002 4Runner TRAC VSC ABS Lights - YouTube

Any ideas what the noise is? I thought it might be brake booster so I flushed brake fluid but the noise came back this morning, and it is louder than the noise that the brake booster makes when it comes on.
Tonight when I parked in the garage there was pulsing sound coming from the car and turned out to be the gas cap depressurizing, a sound I have never heard before, could that be related? I have never replaced the gas cap on this 255k mile truck.
 
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